At the heart of the so-called scandal at the Internal Revenue Service are rules that prohibit primarily political agendas among groups organized as 501(c)(4) “social welfare” groups under the tax code.
It might be said, then, that the real scandal is the extent to which so many organizations violate those rules, as we see HERE:

When CVFC, a conservative veterans’ group in California, applied for tax-exempt status with the Internal Revenue Service, its biggest expenditure that year was several thousand dollars in radio ads backing a Republican candidate for Congress.

The Wetumpka Tea Party, from Alabama, sponsored training for ... Read more